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RooNameReg.h
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1 /*****************************************************************************
2  * Project: RooFit *
3  * Package: RooFitCore *
4  * File: $Id: RooNameReg.h,v 1.3 2007/05/11 09:11:30 verkerke Exp $
5  * Authors: *
6  * WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu *
7  * DK, David Kirkby, UC Irvine, dkirkby@uci.edu *
8  * *
9  * Copyright (c) 2000-2005, Regents of the University of California *
10  * and Stanford University. All rights reserved. *
11  * *
12  * Redistribution and use in source and binary forms, *
13  * with or without modification, are permitted according to the terms *
14  * listed in LICENSE (http://roofit.sourceforge.net/license.txt) *
15  *****************************************************************************/
16 #ifndef ROO_NAME_REG
17 #define ROO_NAME_REG
18 
19 #include "TNamed.h"
20 
21 #include <memory>
22 #include <unordered_map>
23 
24 class RooNameReg : public TNamed {
25 public:
26 
27  static RooNameReg& instance() ;
28  virtual ~RooNameReg();
29  const TNamed* constPtr(const char* stringPtr) ;
30  const char* constStr(const TNamed* namePtr) ;
31  static const TNamed* ptr(const char* stringPtr) ;
32  static const char* str(const TNamed* ptr) ;
33  static const TNamed* known(const char* stringPtr) ;
34 
35  enum {
36  kRenamedArg = BIT(19) // TNamed flag to indicate that some RooAbsArg has been renamed (flag set in new name)
37  };
38 
39 protected:
40  RooNameReg();
41 // RooNameReg(Int_t hashSize = 31) ;
42  RooNameReg(const RooNameReg& other) = delete;
43 
44  std::unordered_map<std::string,std::unique_ptr<TNamed>> _map;
45 
46 // ClassDef(RooNameReg,1) // String name registry
47 };
48 
49 #endif
50 
51 
static const char * str(const TNamed *ptr)
Return C++ string corresponding to given TNamed pointer.
Definition: RooNameReg.cxx:103
#define BIT(n)
Definition: Rtypes.h:83
The TNamed class is the base class for all named ROOT classes.
Definition: TNamed.h:29
static const TNamed * known(const char *stringPtr)
If the name is already known, return its TNamed pointer. Otherwise return 0 (don&#39;t register the name)...
Definition: RooNameReg.cxx:113
static RooNameReg & instance()
Return reference to singleton instance.
Definition: RooNameReg.cxx:51
static const TNamed * ptr(const char *stringPtr)
Return a unique TNamed pointer for given C++ string.
Definition: RooNameReg.cxx:93
virtual ~RooNameReg()
Destructor.
Definition: RooNameReg.cxx:43
std::unordered_map< std::string, std::unique_ptr< TNamed > > _map
Definition: RooNameReg.h:44
RooNameReg is a registry for const char* names.
Definition: RooNameReg.h:24
const TNamed * constPtr(const char *stringPtr)
Return a unique TNamed pointer for given C++ string.
Definition: RooNameReg.cxx:61
const char * constStr(const TNamed *namePtr)
Return C++ string corresponding to given TNamed pointer.
Definition: RooNameReg.cxx:83